National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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NACIMIENTO RIVER - SAPAQUE (NBYC1)
Latitude: 35.79º NLongitude: 121.09º WElevation: 800 Feet
Location: San Luis Obispo County in CaliforniaBulletin Group: Central CoastRiver Group: Salinas/Pajaro
Issuance Time: May 11 2025 at 8:00 AM PDTNext Issuance: May 12 2025 at 9:00 AM PDT
Action/Monitor: 27.0 FeetMinor Flood: 30.0 FeetModerate Flood: N/A Major Flood: N/A

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ342)
Tonight: Mostly clear. Lows in the mid 40s. Northwest winds 15 to 25 mph.

Monday: Sunny in the morning then partly cloudy. Highs in the upper 50s to mid 60s. West winds around 15 mph in the afternoon.

Monday Night: Partly cloudy in the evening then areas of low clouds and fog. Lows in the lower to mid 40s. Northwest winds around 15 mph.

Tuesday: Low clouds and fog in the morning then sunny. Highs in the upper 50s and 60s. Northwest winds around 15 mph.

Tuesday Night: Mostly clear. Lows in the lower to mid 40s. Northwest winds around 15 mph in the evening.

Wednesday: Sunny. Highs in the mid 60s to lower 70s.

Wednesday Night: Mostly clear in the evening then areas of low clouds and fog. Lows in the mid 40s to around 50.

Thursday: Areas of low clouds and fog in the morning then sunny. Highs in the mid 60s to mid 70s.

Thursday Night: Mostly clear except for patchy low clouds and fog after midnight. Lows around 50.

Friday: Partly cloudy except for patchy low clouds and fog in the morning. Highs in the mid 60s to lower 70s.

Friday Night: Partly cloudy in the evening then low clouds and fog. Lows in the mid 40s to around 50.

Saturday: Low clouds and fog in the morning then sunny. Highs in the mid 60s to mid 70s.

Saturday Night: Mostly clear in the evening then low clouds and fog. Lows in the mid 40s to around 50.

Sunday: Low clouds and fog in the morning then sunny. Highs in the 70s to around 80 except the mid to upper 60s closer to the coast.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Los Angeles-Oxnard Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.